1. Department of Transfusion Medicine and Hematology, Carlo Poma Hospital, Mantova, Italy
2. Department of Molecular Microbiology and Immunology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
3. Department of Kinesiology and Community Healthy, University of Illinois at Urbana-Champaign, Illinois
4. Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
5. North-Western Tuscany Blood Bank, Pisa University Hospital, Pisa, Italy